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Know Exactly What Size System You Need

Professional load calculations using Manual J standards.

Midea MSGNS-H12B-1A | MO1BS-H12B-1A 1 Ton Mini-Split Heat Pump 115V

SKU: MO1BSMSGNS121A
SEER2 21.3, EER2 10.0, HSPF2 8.7, R454B refrigerant, 18.5 dBA silent, wide temp 5°F–122°F cooling, 5°F–75°F heating, 5/8" drain pipe, fan speeds Turbo/High/Medium/Low/Silent, WiFi via dongle or wired, OTA updates, wired/IR/remote/24V thermostat, 19.4 lbs, fan motor ZKFP-58-8-1-6 58W, easy maintenance.

Performance & Efficiency

  • Cooling Capacity: 12,000 BTU/h (Min: 3,800 BTU/h, Max: 12,600 BTU/h).

  • Heating Capacity: 12,000 BTU/h (Min: 2,730 BTU/h, Max: 12,500 BTU/h).

  • SEER2: 21.3, EER2: 10.0.

  • HSPF2: 8.7, COP: 3.15.

  • Moisture Removal: 1.3 L/h.

  • Standard Operating Temperature Ranges:

    • Cooling: 5℉ to 122℉ (-15℃ to 50℃).

    • Heating: 5℉ to 75℉ (-15℃ to 24℃).

Outdoor Unit Specifications

  • Compressor Type: Rotary (Model KSN98D64UFZ3).

  • Refrigerant Type: R454B.

  • Outdoor Airflow: Max 1,235 CFM.

  • Noise Level: 52.5 dBA.

  • Size & Weight: 30.12" x 11.93" x 21.85" (765 × 303 × 555 mm).

  • Net/Gross Weight: 61.29 / 67.02 lbs (27.8 / 30.4 kg).

Electrical & Power Requirements

  • Voltage: 115V, 60Hz, 1Ph.

  • System MCA: 19.0A, System MOCP: 20.0A.

  • Compressor RLA: 14.0A, Outdoor Fan Motor RLA: 0.6A.

  • Indoor Fan Motor RLA: 0.6A.

  • System Power Input @ Cooling: 1,200W.

  • System Power Input @ Heating: 1,116W.

Piping & Refrigerant

  • Throttle Type: Capillary.

  • Liquid & Gas Piping Sizes: 1/4" (6.35mm) & 3/8" (9.52mm).

  • Max Piping Length: 82 ft (25 m).

  • Max Height Difference: 49 ft (15 m).

  • Refrigerant Pre-Charged Amount: 24.6 oz (7.5 g).

Features

  • Indoor unit TU1 copper coil.

  • Humidity control.

  • 1~100% fan speed setting.

  • WiFi capability (via WiFi dongle or wired controller with built-in WiFi).

  • Multiple control options available, including:

    • Infrared wired controller (Model: 120L).

    • Wireless remote controller.

    • Third-Party 24V Thermostat (requires 24V interface).

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